Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
okno
←
Proto-Slavic
*okъno
(inherited)
→
Polish
okienny
(affix)
→
Polish
okienko
(affix)
→
Polish
okiennica
(affix)